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/* SPDX-License-Identifier: GPL-2.0-only */
/* OpenVPN data channel offload
*
* Copyright (C) 2019-2025 OpenVPN, Inc.
*
* Author: Antonio Quartulli <antonio@openvpn.net>
*/
#ifndef _NET_OVPN_TCP_H_
#define _NET_OVPN_TCP_H_
#include <linux/net.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include "peer.h"
#include "skb.h"
#include "socket.h"
void __init ovpn_tcp_init(void);
int ovpn_tcp_socket_attach(struct ovpn_socket *ovpn_sock,
struct ovpn_peer *peer);
void ovpn_tcp_socket_detach(struct ovpn_socket *ovpn_sock);
void ovpn_tcp_socket_wait_finish(struct ovpn_socket *sock);
/* Prepare skb and enqueue it for sending to peer.
*
* Preparation consist in prepending the skb payload with its size.
* Required by the OpenVPN protocol in order to extract packets from
* the TCP stream on the receiver side.
*/
void ovpn_tcp_send_skb(struct ovpn_peer *peer, struct socket *sock, struct sk_buff *skb);
void ovpn_tcp_tx_work(struct work_struct *work);
#endif /* _NET_OVPN_TCP_H_ */
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